These are the one of the most intelligent breed , all it takes is to read and research for you that commented earlier , yes it was bred to hunt , so 86 other breeds , they all make a good companion pet its all up to the breeder/owner, Dogo Argentino has a very stable temperament...The creators of the breed stated " that the correct Dogo temperament should reflect their rare contrast between extraordinary courage and incredible kindness of character. The creators went on to say, The Dogo is the most docile and mild of the hunting dogs and without a doubt, not even lap dogs have the kindness and patience to withstand the teasing that he can take from children. And just to prove more about its intelligence ....that is one of a very few breeds that known for blind guiding.